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http://www.macupdate.com/download/39733/zollner.saver.zip
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Zollner is a simple screensaver based on the Zöllner optical illusion (see http://en.wikipedia.org/wiki/Zöllner_illusion for details). Are the diagonal lines parallel or not?

I was somewhat less successful recapturing the illusion in screensaver form, as adding colors and animation tends to weaken the optical effect.

Unzip and place Zollner.saver file in your preferred screensaver directory (usually /Library/Screen Savers).

Requirements

Mac OS 10.5 or later

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Details

Downloads 454
Version Downloads 454
License Free
Date 04 Aug 2011
Platform Intel 64 / OS X / PPC 32 / Intel 32 / PPC 64
Price Free
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